SUBGENUS: astrophea
SUPERSECTION: pseudoastrophea
SECTION: pseudoastrophea
GEOGRAPHICAL DISTRIBUTION OR ORIGIN:
Brazil, State of Rio de Janeiro.
MINIMUM TEMPERATURE: 10 °C
IDEAL MINIMUM TEMPERATURE: 12 °C
ETYMOLOGY: From the trunk to pentagon section, with five faces. From the Greek πέντε, pénte, five and from γωνία gonía, angle: with five angles or edges.
NOTES: Chromosomes: n=12, 2n=24